Automake: Using ../ instead of $(top_srcdir)

After enable `subdir-objects', the variable $(top_srcdir) was not being
resolved, a directory labeled "$(top_srcdir)" was created instead.

Author: Felipe Zimmerle

tests/Makefile.am

@@ -1,33 +1,33 @@
 check_PROGRAMS = msc_test
 msc_test_SOURCES = msc_test.c \
-    $(top_srcdir)/apache2/acmp.c \
-    $(top_srcdir)/apache2/libinjection/libinjection_html5.c \
-    $(top_srcdir)/apache2/libinjection/libinjection_sqli.c \
-    $(top_srcdir)/apache2/libinjection/libinjection_xss.c \
-    $(top_srcdir)/apache2/modsecurity.c \
-    $(top_srcdir)/apache2/msc_crypt.c \
-    $(top_srcdir)/apache2/msc_geo.c \
-    $(top_srcdir)/apache2/msc_gsb.c \
-    $(top_srcdir)/apache2/msc_json.c \
-    $(top_srcdir)/apache2/msc_logging.c \
-    $(top_srcdir)/apache2/msc_lua.c \
-    $(top_srcdir)/apache2/msc_multipart.c \
-    $(top_srcdir)/apache2/msc_parsers.c \
-    $(top_srcdir)/apache2/msc_pcre.c \
-    $(top_srcdir)/apache2/msc_release.c \
-    $(top_srcdir)/apache2/msc_reqbody.c \
-    $(top_srcdir)/apache2/msc_tree.c \
-    $(top_srcdir)/apache2/msc_unicode.c \
-    $(top_srcdir)/apache2/msc_util.c \
-    $(top_srcdir)/apache2/msc_xml.c \
-    $(top_srcdir)/apache2/persist_dbm.c \
-    $(top_srcdir)/apache2/re_actions.c \
-    $(top_srcdir)/apache2/re.c \
-    $(top_srcdir)/apache2/re_operators.c \
-    $(top_srcdir)/apache2/re_tfns.c \
-    $(top_srcdir)/apache2/re_variables.c \
-    $(top_srcdir)/standalone/regex.c \
-    $(top_srcdir)/standalone/server.c
+    ../apache2/acmp.c \
+    ../apache2/libinjection/libinjection_html5.c \
+    ../apache2/libinjection/libinjection_sqli.c \
+    ../apache2/libinjection/libinjection_xss.c \
+    ../apache2/modsecurity.c \
+    ../apache2/msc_crypt.c \
+    ../apache2/msc_geo.c \
+    ../apache2/msc_gsb.c \
+    ../apache2/msc_json.c \
+    ../apache2/msc_logging.c \
+    ../apache2/msc_lua.c \
+    ../apache2/msc_multipart.c \
+    ../apache2/msc_parsers.c \
+    ../apache2/msc_pcre.c \
+    ../apache2/msc_release.c \
+    ../apache2/msc_reqbody.c \
+    ../apache2/msc_tree.c \
+    ../apache2/msc_unicode.c \
+    ../apache2/msc_util.c \
+    ../apache2/msc_xml.c \
+    ../apache2/persist_dbm.c \
+    ../apache2/re_actions.c \
+    ../apache2/re.c \
+    ../apache2/re_operators.c \
+    ../apache2/re_tfns.c \
+    ../apache2/re_variables.c \
+    ../standalone/regex.c \
+    ../standalone/server.c
 
 msc_test_CFLAGS = @APR_CFLAGS@ \
     @APU_CFLAGS@ \